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Finding the Third Proportional to 129,251.25 and 194,013

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Solution

The third proportional to 129,251.25 and 194,013 is: 291,223.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,251.25 : 194,013 = 194,013 : x
  2. Step 2: Convert to fraction form
    129,251.25/194,013 = 194,013/x
  3. Step 3: Cross multiply
    129,251.25x = 194,013 × 194,013
  4. Step 4: Simplify right side
    129,251.25x = 37,641,044,169
  5. Step 5: Solve for x
    x = 37,641,044,169/129,251.25
  6. Step 6: Final answer
    x = 291,223.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.